CogniHoney Official Website › Side Effects & Safety
CogniHoney Side Effects, Interactions and Who Should Skip It
Side effects reported for CogniHoney’s ingredients are mostly mild.
They include stomach upset, headache, dizziness and nausea. Ginkgo may raise bleeding risk with blood thinners such as warfarin, green tea extract has caffeine, and it is not for anyone pregnant, nursing or under 18. Ask your doctor first if any of these apply.
To check if it fits you, see who it is for.
CogniHoney precautions from the seller
Six precautions the seller gives with every order, in plain words.
CogniHoney and medicines: the named interactions
Six named interactions across four ingredients. Ginkgo’s is the one that matters most.
| Ingredient | Check if you take or have | Why |
|---|---|---|
| Ginkgo | Blood thinners such as warfarin | Ginkgo may raise the risk of bleeding in people taking anticoagulants. |
| Green tea extract | Nadolol, atorvastatin, raloxifene | Green tea has lowered blood levels of these three medicines in studies. |
| Green tea extract | Caffeine sensitivity, sleep, blood pressure | Green tea carries caffeine unless decaffeinated; count it with coffee and tea. |
| Cinnamon | Liver conditions | Cassia cinnamon, the common North American kind, carries coumarin. |
| Vitamin B6 | Other B-complex or multivitamin products | B6 has an adult upper limit of 100 mg a day from all sources combined. |
| Vitamin B12 | Metformin, acid-reducing medicines | These can lower B12 levels; not a hazard, but worth knowing. |
Sources: NCCIH on ginkgo, NCCIH on green tea, NCCIH on cinnamon, NIH ODS on B6, NIH ODS on B12.
The interaction to raise first
Ginkgo is the name on this list with the clearest medicine interaction: it may raise the risk of bleeding in people taking a blood thinner such as warfarin. Green tea has lowered blood levels of nadolol, atorvastatin and raloxifene in studies. If you take any of those, that is the conversation to have with your prescriber before the first capsule.
NCCIH’s general advice applies to every supplement: tell the people who prescribe your medicines what you take, so they can spot an interaction early (NCCIH on interactions).
Side effects reported for each CogniHoney ingredient
Each row names the population it comes from, because a side effect seen in one group is not automatically a risk for another.
| Ingredient | What has been reported | Where, and in whom |
|---|---|---|
| Bacopa monnieri | Mainly stomach upset: 9 people on bacopa and 10 on placebo reported it | 54 adults aged 65 and over, twelve weeks (Calabrese 2008) |
| Ginkgo biloba | Dizziness, stomach upset, headache; may raise bleeding risk with anticoagulants | NCCIH summary of the research |
| Green tea extract | Nausea, constipation, abdominal discomfort, raised blood pressure; uncommon liver injury, mainly with extract capsules or tablets | NCCIH; USP review of liver case reports |
| Bilberry leaf | Leaves may be unsafe in high doses or over long periods; fruit extracts have been used safely for up to six months | NCCIH |
| Cinnamon extract | Cassia cinnamon carries coumarin, linked to liver problems in sensitive people | NCCIH |
| Vitamin B6 | Nerve damage at 1 to 6 g a day taken for 12 to 40 months; the adult upper limit is 100 mg a day | NIH ODS |
| Vitamin B12 | No upper limit set; metformin and acid-reducing medicines can lower B12 levels | NIH ODS |
| AGP choline | One records study linked prescription alpha-GPC with a higher ten-year stroke risk; a second linked it with slower dementia conversion | Adults 50 and over (Lee 2021); patients diagnosed with MCI (Kim 2025); both observational |
| Himalayan pink salt | Sodium; one of 31 retail pink salts tested exceeded Australia’s lead limit | Retail salts, not this capsule (Fayet-Moore 2020) |
Each line describes research or regulator summaries of a single ingredient, not reports about this capsule.
CogniHoney timing and the green tea caution
The one place this website sets the serving direction beside the green tea caution.
Two instructions, side by side
- Serving direction. Two capsules 30 to 60 minutes before your largest meal.
- USP caution for green tea extract. Do not take it on an empty stomach; take it with food.
- Caffeine. Present in green tea unless decaffeinated; the list gives no figure.
The serving direction puts the capsules 30 to 60 minutes before your largest meal. USP’s caution for green tea extract is not to take it on an empty stomach, and to take it with food. If you have ever had a liver problem, read the green tea line on your bottle’s panel first.
The USP review behind that caution collected liver-injury case reports at EGCG intakes of 140 mg to about 1,000 mg a day, and noted that large doses taken fasting raise catechin absorption (USP review, 2020). Both instructions are printed here so you can weigh them; the label on your bottle is the direction to follow, and a liver history is worth raising with your prescriber before the first capsule.
Who should skip CogniHoney, and who should check first
Two short lists, then the six situations where one conversation settles it.
You can start CogniHoney if
- You are 18 or over, and not pregnant or nursing
- You can keep to two capsules a day, 30 to 60 minutes before your largest meal
- No medicine you take appears in the interactions table above, or your prescriber has already seen it
- Caffeine does not trouble your sleep or your blood pressure
- You want support for memory, focus and clarity, judged over weeks
Skip CogniHoney if
- You are pregnant or nursing
- You are under 18
- You have had liver injury from a supplement before
- You want a treatment for a memory condition
Check with your prescriber first if you
- Take warfarin or another blood thinner. Ginkgo is the name to raise.
- Take nadolol, atorvastatin or raloxifene. Green tea extract has lowered all three in studies.
- Take metformin or an acid-reducing medicine. Both can lower vitamin B12.
- Already take a B-complex or a multivitamin. Add up vitamin B6 against its 100 mg upper limit.
- Are sensitive to caffeine or treated for blood pressure. Green tea extract carries caffeine unless decaffeinated.
- Have a diagnosed condition of any kind. Bring the bottle, or a photo of its panel.
What to bring when you ask about CogniHoney
A short conversation goes further with the right things in hand.
- 01
The bottle, or a photo of its panel
The Supplement Facts panel on the bottle you receive is what a prescriber or pharmacist will want to read, serving size and other ingredients included.
- 02
Everything else you take
Prescriptions, over-the-counter medicines and other supplements, especially a B-complex, a multivitamin or another memory formula.
- 03
The four names to raise
Ginkgo for blood thinners; green tea extract for caffeine, the liver and three named medicines; cinnamon for the liver; vitamin B6 for its upper limit.
- 04
Your serving time
Two capsules, 30 to 60 minutes before your largest meal. The timing is what the green tea caution above turns on.
When to stop CogniHoney and get checked
Four signals that mean stop first and ask questions second.
Unusual bleeding or bruising
Stop and speak to your prescriber, especially if you take a blood thinner. Ginkgo is the ingredient to mention.
Signs that point to the liver
Yellowing of the skin or eyes, or dark urine. Stop and get checked promptly; green tea extract is the ingredient to mention.
Jitters or poor sleep
Stop if it persists. The caffeine in green tea extract is the likely source.
Stomach upset that lasts
The main side effect in a bacopa trial, seen about as often on placebo. If it lasts beyond the first week, stop.
CogniHoney safety questions
Does CogniHoney have side effects?
The side effects reported for its ingredients are mostly minor: stomach upset, headache, dizziness, nausea. The specific cautions are ginkgo with blood thinners, green tea extract’s caffeine and uncommon liver reports, and pregnancy.
Can I take CogniHoney with warfarin?
Not without speaking to your prescriber first. Ginkgo may raise the risk of bleeding in people taking anticoagulants such as warfarin.
Can CogniHoney keep me awake?
It can if you are sensitive to caffeine. Green tea extract carries caffeine unless decaffeinated, and the list gives no figure. If sleep suffers in week one, that is the likely reason.
Is CogniHoney safe for my liver?
Liver injury from green tea products is uncommon and has been reported mainly with extracts in tablet or capsule form. Green tea extract and cassia cinnamon both carry liver cautions, so anyone with a liver condition, or a past liver reaction to a supplement, should check with a doctor first.
What if CogniHoney does not suit me?
Stop taking it, and use the sixty-day guarantee: call +1 (302) 200-3480 with your order ID, then post the bottles back as the guarantee page explains.
Can I take CogniHoney while pregnant or breastfeeding?
No. The seller’s precautions exclude pregnancy and nursing, and NCCIH notes that ginkgo may be unsafe during pregnancy.
Can I take CogniHoney with metformin?
Metformin can lower vitamin B12 levels over time, and B12 is on the list. That is not a hazard, but it is worth mentioning to your prescriber. Metformin is not among the medicines named against ginkgo or green tea.
How this CogniHoney safety page is written
Four claims about these pages that a sceptical reader can check in ten minutes.
-
01
The bottle is the source
The eleven names, the four percentages, the capsule count and the serving direction come from the product artwork and the seller’s own list. Prices, the guarantee and the refund steps come from the seller’s terms for this desk.
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02
Research amounts live in a column of their own
Headed “What published studies used”, beside a column showing what the list gives. No sentence here moves a number from the first into the second.
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03
Sources are cited against their own population
Where a study was run in people with a diagnosis, the sentence says so and the result is not carried across to a healthy reader.
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04
Corrections change the date
Write to contact@Cognihhoney.com and the correction is made on the page itself, with the review date moved forward.
We earn when you buy
Cognihhoney is the USA Authorized CogniHoney Retailer and this website makes money on orders placed through it. That is why the unflattering parts are here too: the ingredients with thin evidence, the three-star review, and the plain statement that CogniHoney is not a treatment for anything. Tracking, changes and refunds go through +1 (302) 200-3480; orders go through the checkout only.
CogniHoney safety sources
- Lee G, Choi S, Chang J, Choi D, Son JS, Kim K, Kim SM, Jeong S, Park SM. Association of L-α Glycerylphosphorylcholine With Subsequent Stroke Risk After 10 Years. JAMA Netw Open. 2021;4(11):e2136008. PMID 34817582. https://pubmed.ncbi.nlm.nih.gov/34817582/
- Kim HK, Park S, Kim SW, Park ES, Hong JY, Hong I, Baek MS. Association between L-α glycerylphosphorylcholine use and delayed dementia conversion: A nationwide longitudinal study in South Korea. J Prev Alzheimers Dis. 2025;12(4):100059. PMID 40155153. https://pubmed.ncbi.nlm.nih.gov/40155153/
- Calabrese C, Gregory WL, Leo M, Kraemer D, Bone K, Oken B. Effects of a standardized Bacopa monnieri extract on cognitive performance, anxiety, and depression in the elderly: a randomized, double-blind, placebo-controlled trial. J Altern Complement Med. 2008;14(6):707-13. PMID 18611150. https://pubmed.ncbi.nlm.nih.gov/18611150/
- National Center for Complementary and Integrative Health, National Institutes of Health. Ginkgo. https://www.nccih.nih.gov/health/ginkgo
- National Center for Complementary and Integrative Health, National Institutes of Health. Bilberry. https://www.nccih.nih.gov/health/bilberry
- NIH Office of Dietary Supplements. Vitamin B6: Fact Sheet for Health Professionals. https://ods.od.nih.gov/factsheets/VitaminB6-HealthProfessional/
- NIH Office of Dietary Supplements. Vitamin B12: Fact Sheet for Health Professionals. https://ods.od.nih.gov/factsheets/VitaminB12-HealthProfessional/
- National Center for Complementary and Integrative Health, National Institutes of Health. Green Tea. https://www.nccih.nih.gov/health/green-tea
- Oketch-Rabah HA, Roe AL, Rider CV, Bonkovsky HL, Giancaspro GI, Navarro V, et al. United States Pharmacopeia (USP) comprehensive review of the hepatotoxicity of green tea extracts. Toxicol Rep. 2020;7:386-402. PMID 32140423. https://pubmed.ncbi.nlm.nih.gov/32140423/
- National Center for Complementary and Integrative Health, National Institutes of Health. Cinnamon. https://www.nccih.nih.gov/health/cinnamon
- Fayet-Moore F, Wibisono C, Carr P, Duve E, Petocz P, Lancaster G, McMillan J, Marshall S, Blumfield M. An Analysis of the Mineral Composition of Pink Salt Available in Australia. Foods. 2020;9(10):1490. PMID 33086585. https://pubmed.ncbi.nlm.nih.gov/33086585/
- National Center for Complementary and Integrative Health, National Institutes of Health. Know the Science: How Medications and Supplements Can Interact. https://www.nccih.nih.gov/health/know-science/how-medications-supplements-interact
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